CVE-2015-8009

Public Exploit

Description

The MWOAuthDataStore::lookup_token function in Extension:OAuth for MediaWiki 1.25.x before 1.25.3, 1.24.x before 1.24.4, and before 1.23.11 does not properly validate the signature when checking the authorization signature, which allows remote registered Consumers to use another Consumer's credentials by leveraging knowledge of the credentials.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.38%
Third-Party Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1034028 vdb entry
https://phabricator.wikimedia.org/T103023 third party advisory exploit
http://www.openwall.com/lists/oss-security/2015/10/29/14 vdb entry mailing list

Frequently Asked Questions

What is the severity of CVE-2015-8009?
CVE-2015-8009 has been scored as a critical severity vulnerability.
How to fix CVE-2015-8009?
To fix CVE-2015-8009, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8009 being actively exploited in the wild?
It is possible that CVE-2015-8009 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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